Tag Archives | 2011
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NASA – The Home Planet: Exploring the Whole Earth

The Water Planet Viewed from space, the most striking feature of our planet is the water. In both liquid and frozen form, it covers 75% of the Earth’s surface. It fills the sky with clouds. Water is practically everywhere on Earth, from inside the planet’s rocky crust to inside the cells of the human body. […]

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Eddy Current Braking Games

This simple demonstration of eddy current braking will probably be familiar to many of you, but this video from YouTuber JamesRB1995 is a short, well-shot, impressive documentation of the effect. Keep in mind that copper is not ferromagnetic, and there is no direct magnetic attraction going on here. – Courtesy of Make Magazine.

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